This research study was conducted with only a small group of ESL students. As a
result, the interpretation and the generalizability of the findings are limited. A future
research may be administered to a larger group of students or to several small groups of
international students so that the effects of using authentic listening materials on students’
proficiency levels could be interpreted. A future research may consider to include only
those students who are newcomers so as to be able to ensure the students’ limited
experiences with authentic materials and to assure the effects of authentic listening texts
on students’ listening-comprehension ability.